IPv4 R&E Routing Table Report 20:15 GMT Sat 02 Dec, 2023 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 256217 Prefixes after maximum aggregation (per Origin AS): 113347 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 138063 Number of IPv4 prefixes with a valid ROA: 96210 Number of IPv4 prefixes with an invalid ROA: 26 Number of IPv4 prefixes with no ROA: 159981 Total ASes present in the Internet Routing Table: 20652 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 18006 Origin ASes announcing only one prefix: 8012 Transit ASes present in the Internet Routing Table: 2646 Transit-only ASes present in the Internet Routing Table: 657 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 38 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 428 Number of instances of unregistered ASNs: 428 Number of 32-bit ASNs allocated by the RIRs: 43159 Number of 32-bit ASNs visible in the Routing Table: 7422 Prefixes from 32-bit ASNs in the Routing Table: 26412 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 134 Number of addresses announced to Internet: 1487979593 Equivalent to 88 /8s, 176 /16s and 196 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 86785 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30687 Total APNIC prefixes after maximum aggregation: 7282 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30201 Unique aggregates announced from the APNIC address blocks: 8369 APNIC Region origin ASes present in the Internet Routing Table: 1196 APNIC Prefixes per ASN: 25.25 APNIC Region origin ASes announcing only one prefix: 481 APNIC Region transit ASes present in the Internet Routing Table: 197 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 522 Number of APNIC addresses announced to Internet: 212741768 Equivalent to 12 /8s, 174 /16s and 46 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 118533 Total ARIN prefixes after maximum aggregation: 62196 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118602 Unique aggregates announced from the ARIN address blocks: 68640 ARIN Region origin ASes present in the Internet Routing Table: 9632 ARIN Prefixes per ASN: 12.31 ARIN Region origin ASes announcing only one prefix: 3958 ARIN Region transit ASes present in the Internet Routing Table: 858 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2045 Number of ARIN addresses announced to Internet: 841851585 Equivalent to 50 /8s, 45 /16s and 162 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 56262 Total RIPE prefixes after maximum aggregation: 28138 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 55192 Unique aggregates announced from the RIPE address blocks: 37145 RIPE Region origin ASes present in the Internet Routing Table: 5184 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 2206 RIPE Region transit ASes present in the Internet Routing Table: 703 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1972 Number of RIPE addresses announced to Internet: 304774144 Equivalent to 18 /8s, 42 /16s and 124 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 41944 Total LACNIC prefixes after maximum aggregation: 13039 LACNIC Deaggregation factor: 3.22 Prefixes being announced from the LACNIC address blocks: 41318 Unique aggregates announced from the LACNIC address blocks: 19711 LACNIC Region origin ASes present in the Internet Routing Table: 3589 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 1281 LACNIC Region transit ASes present in the Internet Routing Table: 718 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2777 Number of LACNIC addresses announced to Internet: 88179456 Equivalent to 5 /8s, 65 /16s and 131 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 8363 Total AfriNIC prefixes after maximum aggregation: 2397 AfriNIC Deaggregation factor: 3.49 Prefixes being announced from the AfriNIC address blocks: 10770 Unique aggregates announced from the AfriNIC address blocks: 4071 AfriNIC Region origin ASes present in the Internet Routing Table: 236 AfriNIC Prefixes per ASN: 45.64 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 64 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 106 Number of AfriNIC addresses announced to Internet: 40291584 Equivalent to 2 /8s, 102 /16s and 205 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1504 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1413 826 105 CMNET-JIANGSU-AP China Mobile communica 24547 761 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 738 10616 152 GIGAINFRA SoftBank Corp., JP 9394 674 4270 56 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9324 11165 3377 AMAZON-02, US 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2996 3847 1422 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1841 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1736 3053 427 CELLCO-PART, US 209 1714 4899 330 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 1599 141 1261 AKAMAI-ASN1, NL 58224 997 652 625 TCI, IR 3215 916 4899 290 France Telecom - Orange, FR 61317 896 60 770 ASDETUK www.heficed.com, US 8452 891 1841 14 TE-AS TE-AS, EG 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 823 109 518 TELLCOM-AS, TR 8386 706 108 244 KOCNET, TR 8376 680 54 17 Jordan Data Communications, JO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6163 1772 1019 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1938 274 1256 Telmex Colombia S.A., CO 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 909 147 399 Techtel LMDS Comunicaciones Interactiva 28006 615 75 278 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 TELEFONICA BRASIL S.A, BR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1170 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 673 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 412 36 178 WANANCHI-, KE 29571 388 36 161 ORANGE-COTE-IVOIRE, CI 2018 373 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 249 82 3 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9324 11165 3377 AMAZON-02, US 8151 6163 1772 1019 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 2996 3847 1422 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1938 274 1256 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 9324 5947 AMAZON-02, US 8151 6163 5144 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3504 3208 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1841 1618 ATLANTICBB-JOHNSTOWN, US 367 2996 1574 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1504 1470 CMNET-HUNAN-AP China Mobile communications corp 209 1714 1384 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:500 /15:1001 /16:7443 /17:3499 /18:4044 /19:7884 /20:12265 /21:15533 /22:28653 /23:28832 /24:145873 /25:84 /26:62 /27:72 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3208 6163 UNINET, MX 22773 2562 3504 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1912 9324 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 10620 1162 1938 Telmex Colombia S.A., CO 7018 1130 2567 ATT-INTERNET4, US 209 967 1714 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:13 2:531 3:246 4:5 5:1322 6:149 7:5 8:727 11:171 12:1095 13:315 14:104 15:283 16:167 17:6 18:638 20:240 21:4 22:188 23:2397 24:754 25:2 27:25 29:19 31:441 32:37 34:2 35:56 36:1062 37:948 38:1341 39:502 40:61 41:899 42:21 43:202 44:42 45:3335 46:869 47:155 49:13 50:340 51:479 52:1387 54:352 55:876 56:5 57:23 58:34 59:32 60:18 61:70 62:604 63:886 64:2061 65:1150 66:2266 67:961 68:640 69:1245 70:499 71:264 72:681 74:1052 75:432 76:226 77:333 78:563 79:254 80:396 81:346 82:313 83:160 84:367 85:432 86:213 87:274 88:227 89:635 90:91 91:961 92:492 93:936 94:653 95:1252 96:282 97:72 98:537 99:162 100:45 101:27 102:268 103:1210 104:1414 105:66 106:42 107:1379 108:515 109:336 110:35 111:1736 112:475 113:48 114:33 115:18 116:48 117:955 118:64 119:125 120:1081 121:42 122:92 123:80 124:57 125:17 128:455 129:375 130:612 131:1096 132:552 133:267 134:442 135:124 136:412 137:469 138:856 139:534 140:581 141:272 142:785 143:665 144:374 145:89 146:596 147:417 148:691 149:702 150:291 151:564 152:525 153:146 154:658 155:761 156:622 157:324 158:436 159:677 160:667 161:634 162:937 163:404 164:661 165:569 166:584 167:621 168:1379 169:181 170:1539 171:97 172:1318 173:828 174:284 175:48 176:822 177:837 178:391 179:672 180:51 181:1615 182:15 183:879 184:505 185:3432 186:1859 187:920 188:733 189:1318 190:4181 191:347 192:4913 193:1969 194:1453 195:1150 196:871 197:733 198:2599 199:3189 200:3198 201:3220 202:1081 203:640 204:2252 205:1839 206:1649 207:1441 208:1433 209:1934 210:332 211:475 212:1032 213:862 214:1073 215:57 216:2520 217:611 218:521 219:23 220:29 221:287 222:34 223:621 End of report